commit c1dd4aa624076cb6d4724fad2d9e9e71e46bbc9f
author Andrey Grodzovsky <andrey.grodzovsky@amd.com> Mon Aug 24 12:30:47 2020 -0400
committer Alex Deucher <alexander.deucher@amd.com> Tue Sep 15 17:25:04 2020 -0400
tree 0f5e8174ed47fc938b314ff32da89326b0ba1998
parent 362c7b91c1b00e31ebd219af1e493e7ef50ccfb4

drm/amdgpu: Fix consecutive DPC recovery failures.

Cache the PCI state on boot and before each case where we might
loose it.

v2: Add pci_restore_state while caching the PCI state to avoid
breaking PCI core logic for stuff like suspend/resume.

v3: Extract pci_restore_state from amdgpu_device_cache_pci_state
to avoid superflous restores during GPU resets and suspend/resumes.

v4: Style fixes.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>